canIswim

Sea temperature and swimming season in Estonia

When the sea is warm enough to swim in 8 coastal cities in Estonia.

CityWarmestColdestSwimming season
Tallinn 18.3°C Aug 0.9°C Feb never comfortable
Pärnu 19.9°C Jul -0.4°C Feb Jul – Aug (2 months)
Kuressaare 18.5°C Aug 0.6°C Feb never comfortable
Haapsalu 19.1°C Aug 0.8°C Feb Aug – Aug (1 months)
Kuusalu 18.4°C Aug 0.7°C Feb never comfortable
Paldiski 18.6°C Aug 1.1°C Feb never comfortable
Kärdla 19.0°C Aug 0.9°C Feb Aug – Aug (1 months)
Narva-Jõesuu 19.3°C Aug 0.2°C Feb Jul – Aug (2 months)

Season uses 19°C. Why that number, and where the data comes from